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iogann1982 [59]
2 years ago
7

If a ball is thrown from a tall building, how tall is the building if it takes 6s for the ball to land?

Physics
1 answer:
daser333 [38]2 years ago
4 0

Answer:

the answer is 352.8m

Explanation:

Since the gravitational constant is denoted as g

g = 9.8  \:  \frac{m}{ {s}^{2} }

and the ball needed 6 seconds to land, so we can calculate the height of the building as:

h = 9.8  \:  \frac{m}{ {s}^{2} } \times {(6s)}^{2}  = 9.8  \:  \frac{m}{ {s}^{2} }  \times 36 {s}^{2}  = 352.8m

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Answer:

c.) sewage and industrial waste

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3 years ago
In a lab, the mass of object A is 2.5 kg. Object A weighs:
dangina [55]

Answer:

25N

Explanation:

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w = mg = 2.5 (9.81) = 25N

8 0
3 years ago
A Sonometer wire of length
Scrat [10]

Answer:

-75 cm

Explanation:

At l ; F = 350 Hz

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I = 350

I + 15 = 280

280I = 350(I + 15)

280I = 350I + 5250

280I - 350I = 5250

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4 0
2 years ago
The first and second coils have the same length, and the third and fourth coils have the same length. They differ only in the cr
tatyana61 [14]

Answer:

The ratio of the resistances of second coil to the first coil is the ratio of square of radius of the first coil to the square of radius of  second coil.

And

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Explanation:

The resistance of the coil is directly proportional to the length of the coil and inversely proportional to the area of coil and hence inversely proportional to the square of radius of the coil.

So, the ratio of the resistances of second coil to the first coil is the ratio of square of radius of the first coil to the square of radius of  second coil.

And

The ratio of the resistances of fourth coil to the third coil is the ratio of square of radius of the third coil to the square of radius of  fourth coil.

8 0
2 years ago
If it takes 100 N to move a box 5 meters, what is the work done on the box?
inysia [295]

Answer:

Explanation:

Work=force×distance

W=F×S

   =100 N × 5 m

   = 500 Nm

W = 500J

7 0
3 years ago
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